CONTENTS. 



PAGE 



EXPERIMENTS ON THE RELATIVE INTENSITIES OF THE LIGHT 

 EMITTED BY LUMINOUS BODIES I 



[Read before the Royal Society, February 6, 1794-] 



AN ACCOUNT OF SOME EXPERIMENTS ON COLOURED SHADOWS 49 

 [Read before the Royal Society, February 20, 1794.] 



CONJECTURES RESPECTING THE PRINCIPLES OF THE HARMONY 



OF COLOURS 63 



i 



AN INQUIRY INTO THE CHEMICAL PROPERTIES THAT HAVE 



BEEN ATTRIBUTED TO LlGHT 73 



[Read before the Royal Society, June 14, 1798.] 



OF THE MANAGEMENT OF LIGHT IN ILLUMINATION ... 99 



[Essay XVI. Read before the National Institute of France, 

 June 24, iSn.J 



AN INQUIRY CONCERNING THE SOURCE OF THE LIGHT 

 WHICH IS MANIFESTED IN THE COMBUSTION OF INFLAM- 

 MABLE BODIES 207 



[Essay XVII. Read before the Royal Society, January 16, 

 1812.] 



AN ACCOUNT OF AN ESTABLISHMENT FOR THE POOR AT 

 MUNICH 229 



[Essay I.] 



